Table 4 |
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|
Multiple logistic regression analyses for scholastic impairment by inattention and hyperactivity1 core symptoms adjusted for maternal education2, family structure3, and gender for each cohort country |
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|
Sweden |
Denmark |
Finland |
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|
|
||||||||||||
|
Wald χ2 |
p < |
OR |
95% CI |
Wald χ2 |
p < |
OR |
95% CI |
Wald χ2 |
p < |
OR |
95% CI |
|
|
|
||||||||||||
|
Reading impairment |
||||||||||||
|
Inattention |
6 |
.01 |
4.2 |
1.3, 13.0 |
469 |
.0001 |
10.5 |
8.5, 12.9 |
245 |
.0001 |
7.9 |
5.8, 9.5 |
|
Hyperactivity |
1 |
.25 |
1.9 |
0.6, 5.7 |
118 |
.0001 |
3.8 |
2.9, 4.8 |
144 |
.0001 |
4.4 |
3.5, 5.7 |
|
Writing impairment |
||||||||||||
|
Inattention |
20 |
.0001 |
12.5 |
4.1, 38.1 |
309 |
.0001 |
5.4 |
4.5, 6.5 |
220 |
.0001 |
6.7 |
5.2, 8.7 |
|
Hyperactivity |
11 |
.001 |
4.9 |
2.0, 12.5 |
73 |
.0001 |
2.6 |
2.1, 3.2 |
107 |
.0001 |
3.5 |
2.8, 4.5 |
|
Mathematics impairment |
||||||||||||
|
Inattention |
4 |
.05 |
4.0 |
1.1, 14.7 |
304 |
.0001 |
7.3 |
5.9, 9.2 |
318 |
.0001 |
10.6 |
8.2, 13.7 |
|
Hyperactivity |
.5 |
.50 |
1.5 |
0.5, 5.1 |
72 |
.0001 |
3.1 |
2.4, 4.0 |
176 |
.0001 |
5.7 |
4.4, 7.4 |
|
|
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|
1 High score on both restlessness and fidgetiness (see Analyses section) 2 No university education versus at least some university education 3 Intact biological family versus disrupted (single-parent or step-parent present) |
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|
Rodriguez et al. BMC Public Health 2007 7:327 doi:10.1186/1471-2458-7-327 |
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